>>16513726

>reckoning

found this word interesting as it's used in the may day ads

Dead Reckoning is a 1947 movie involving DC, war, murder, and blackmail. It is also a term used to describe the process of locating the position of a ship without the aid of celestial navigation, as well as a rule of retroactively working out moves in a game of chess.

>https://en.wikipedia.org/wiki/Dead_Reckoning_(1947_film)

>https://timeandnavigation.si.edu/navigating-at-sea/navigating-without-a-clock/dead-reckoning

>http://www.anselan.com/chess.html